[PATCH v3 2/9] PCI: Add a stub for pci_ats_disabled()

Jean-Philippe Brucker
2019-04-17T18:28:16Z

Currently pci_ats_disabled() is only defined when CONFIG_PCI is enabled.
Since we're about to use the function in the Arm SMMUv3 driver, which
could be built with CONFIG_PCI disabled, add a definition of
pci_ats_disabled() for !CONFIG_PCI.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
---
include/linux/pci.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 169c6a18d0b0..61d7cd888bad 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1713,6 +1713,7 @@ static inline int pci_irqd_intx_xlate(struct irq_domain *d,
static inline const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
struct pci_dev *dev)
{ return NULL; }
+static inline bool pci_ats_disabled(void) { return true; }
#endif /* CONFIG_PCI */

#ifdef CONFIG_PCI_ATS
--
2.21.0